A201039 Primes of the form 10n^3-9.

71, 631, 21961, 27431, 49121, 68581, 121661, 156241, 393031, 428741, 689201, 851831, 1406071, 1488761, 2621431, 3007621, 4052231, 4930381, 5513671, 5717861, 6360551, 7049681, 7535701, 7786871, 9999991, 11248631, 13309991, 15208741

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..3000

Mathematica

Select[Table[10n^3-9, {n, 1, 4000}], PrimeQ]

Prog

(Magma) [a: n in [1..200] | IsPrime(a) where a is 10*n^3-9]

Crossrefs

Sequence in context: A251390 A251383 A180327 * A142674 A112750 A351896

Adjacent sequences: A201036 A201037 A201038 * A201040 A201041 A201042

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 27 2011

Status

approved